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Everything about CPU modes

Operating modes for central processing unit

CPU modes are operating modes for the central processing unit of most computer architectures that place restrictions on the type and scope of operations that can be performed by instructions being executed by the CPU. For example, this design allows an operating system to run with more privileges than application software by running the operating systems and applications in different modes. Wikipedia →

đź§­ Start here: a 6-step reading path

  1. Read the overview: CPU modesA 5-minute orientation
  2. Skim a recent paper: Revisiting CPU Silent Data Corruptions in Modern DatacentersInfluential work since 2022
  3. Pick up a classic book: The Z-80 microcomputer handbookThe most-reprinted book on the subject
  4. Read the landmark paper: Assessing the impact of the CPU power-saving modes on the task-parallel solution of sparse linear systemsCited 8 times
  5. Go sideways: Protection ringA closely related topic
  6. Go sideways: User space and kernel spaceA closely related topic

đź“– Definitions

No dictionary entry for this exact phrase.

🗂️ The subject at a glance

  1. Mode types
  2. Architectures

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

đź”— Related topics